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JIDM
2010
160views more  JIDM 2010»
13 years 8 months ago
Evaluation of Conditional Preference Queries
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....
Fabiola S. F. Pereira, Sandra de Amo
SIGMOD
2007
ACM
160views Database» more  SIGMOD 2007»
14 years 10 months ago
Supporting ranking and clustering as generalized order-by and group-by
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
Chengkai Li, Min Wang, Lipyeow Lim, Haixun Wang, K...
LOGCOM
2007
97views more  LOGCOM 2007»
13 years 9 months ago
A General Framework for Expressing Preferences in Causal Reasoning and Planning
We consider the problem of incorporating arbitrary preferences in planning systems. A preference may be seen as a goal or constraint that is desirable, but not necessary, to satis...
James P. Delgrande, Torsten Schaub, Hans Tompits
ICDE
2004
IEEE
101views Database» more  ICDE 2004»
14 years 11 months ago
Personalization of Queries in Database Systems
As information becomes available in increasing amounts to a wide spectrum of users, the need for a shift towards a more user-centered information access paradigm arises. We develo...
Georgia Koutrika, Yannis E. Ioannidis